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Curt Trailer Brake Controller 51140

Product Information
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Part #:
Inertia activated

  • Inertia activated
  • Features triple-axis motion sensing for high response & smooth stops
  • Leveling & calibration done automatically
  • Will automatically adjust brake output
  • Operates 2-8 brakes (1-4 axle trailers)
  • Mounting hardware included


  • Four models to choose from
  • Durably constructed to last
  • Choose from Time activated or inertial activated braking
  • Inertia controllers are self-leveling and may be mounted up to 70°
  • Compatible with anti-lock brakes & cruise control
  • Backed by a lifetime warranty
  • Made in the USA – Eau Claire, WI

With the Curt trailer brake controller, you get a product that is made to fit your individual trailer braking needs. Applications range from single axle snowmobile or utility trailers to the large quad axle car haulers. In addition, all models work with anti-lock brake systems and cruise control. Curt always manufactures their products to last. With these brake controllers, you better to believe they will last you the long haul. With different types to choose from you can pick the controller that best suits your needs. A timed controller works based upon the slowness of the vehicle. Once pressure is applied to the brake the sensors will kick in and apply a more equal breaking. With an inertia based controller it will use a pendulum sensor to sense deceleration and apply the brake.

The Curt brake controller come complete with mounting hardware and easy to follow step-by-step instructions that make installation a breeze. These controllers are the most user-friendly trailer brake on the market, giving you the right trailer brake no matter what your needs may be. Be able to feel safe while doing any tow job! You should own one today!

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Limited Lifetime Warranty

Curt trailer brake controller comes with a limited life time warranty. If you have any questions please give us a call at 877-216-5446.


The Curt trailer brake controllers are an easy at home installation. For additional information give our friendly customer service a call at 877-216-5446 or 701-253-5906.

PDF Icon Curt Hitch 51140 Installation Instructions